‘Crazy conspiracist’ and ‘unhinged comedian’: Grok’s AI persona prompts exposed

The website for xAI’s Grok chatbot is exposing the system prompts for several of its AI personas, including a “crazy conspiracist” that seems designed to handhold a user into believing that “a secret global cabal” controls the world.

Why Paradigm built a spreadsheet with an AI agent in every cell

Paradigm raised a $5 million seed round and is releasing it’s AI-powered spreadsheet to the general public.

Cohere hires long-time Meta research head Joelle Pineau as its chief AI officer

Cohere has hired Joelle Pineau, Meta’s former VP of AI research who previously oversaw the tech giant’s fundamental AI research (FAIR) lab. In her newly created Chief AI Officer role, Pineau will oversee AI strategy across Cohere’s research, product, and policy teams.

Inside the Box: Aaron Levie on reinvention at TechCrunch Disrupt 2025

Aaron Levie of Box joins the Disrupt Stage at TechCrunch Disrupt 2025 in October.

Anthropic’s Claude AI model can now handle longer prompts

Anthropic’s popular coding model just became a little more enticing for developers with a million-token context window.

Anthropic takes aim at OpenAI, offers Claude to ‘all three branches of government’ for $1

Anthropic’s escalation — a response to OpenAI’s attempt to undercut the competition — is a strategic play meant to broaden the company’s foothold in federal AI usage. 

Uber Freight CEO Lior Ron leaves to join self-driving startup Waabi as COO

Self-driving truck maker Waabi has hired autonomous vehicle industry veteran and Uber Freight CEO Lior Ron to step in as chief operating officer, as the startup looks to scale its commercial operations ahead of its planned launch of driverless trucks on public highways later this year.

Nvidia unveils new Cosmos world models, infra for robotics and physical uses

Nvidia on Monday unveiled a set of new world AI models, libraries, and other infrastructure for robotics developers, most notable of which is Cosmos Reason, a 7-billion-parameter “reasoning” vision language model for physical AI applications and robots.

Elon Musk confirms shutdown of Tesla Dojo, ‘an evolutionary dead end’ 

“Once it became clear that all paths converged to AI6, I had to shut down Dojo and make some tough personnel choices, as Dojo 2 was now an evolutionary dead end,” Musk posted on X, the social media platform he owns, on Sunday.

The computer science dream has become a nightmare

Fresh computer science graduates are facing unemployment rates of 6.1% to 7.5% — more than double what biology and art history majors are experiencing, according to a recent Federal Reserve Bank of New York study.